The complications of extracorporeal shock wave lithotripsy are as follows: 1. hematuria, although extracorporeal shock wave lithotripsy is a non-invasive treatment, repeated extracorporeal shock wave lithotripsy to the same site can cause corresponding mucosal damage, resulting in bleeding, which can be manifested as red urine color. 2. the appearance of ureteral stenosis, minor damage to the local mucosa caused by the process of lithotripsy. If repeated extracorporeal shock wave lithotripsy is performed in the same area, it can lead to scarring of the local mucosa and therefore cause ureteral lumen narrowing, which can lead to ureteral dilatation or hydronephrosis. 3. Kidney fibrosis, after repeated lithotripsy in extracorporeal shock wave lithotripsy for kidney stones, repeated lithotripsy can cause kidney damage. Fibrosis is formed during the repeated injury and healing process, resulting in the absence of effective kidney units and even renal insufficiency in severe patients.4. Fever, often seen in the treatment of infected stones, is caused by the spread of infectious bacteria into the blood during extracorporeal shock wave lithotripsy, resulting in an increase in the patient’s body temperature. Severe patients can even form the manifestation of infectious shock, with impaired consciousness, reduced blood pressure, etc.